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Histogram of histogram

Histogram of histogram (HoH) is a useful measure concerning the distribution of random data, which has diverse applications in d...

alrededor de 1 año ago

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Generating random matrix with given probability mass function

Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/2356-simulating-the-selection-of-a-state-with-given-probabilit...

alrededor de 1 año ago

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If you prick us, do we not bleed?

While doing some quick sewing to fix up your child's Halloween costume, you accidentally jab your finger with the needle. Refle...

alrededor de 1 año ago

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Coin Tossing: Probability of Same Heads for N tosses

A pair of physicists toss a coin n times each. What is the probability that they tossed the same number of heads? *Input:*...

alrededor de 1 año ago

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Eliminate Outliers Using Interquartile Range

Given a vector with your "data" find the outliers and remove them. To determine whether data contains an outlier: # Identi...

alrededor de 1 año ago

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Coin change combinations.

Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

alrededor de 1 año ago

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Test Driven Solution - Probability Problem 3

*Problem:* Without any Cody cheats, write code that passes the test suite. *Hint:* The test suite gets samples from the proba...

alrededor de 1 año ago

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Test Driven Solution - Probability Problem 2

*Problem:* Without any Cody cheats, write code that passes the test suite. *Hint:* The test suite gets samples from the proba...

alrededor de 1 año ago

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Test Driven Solution - Probability Problem 1

*Problem:* Without any Cody cheats, write code that passes the test suite. *Hint:* The test suite gets samples from the proba...

alrededor de 1 año ago

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Cumulative probability of finding an unlikely combination

This is a supplemental problem to the <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition CryptoMath> ...

alrededor de 1 año ago

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Guess the number I'm thinking of

In this game you are competing against two other people to guess the number that I'm thinking of. # I randomly choose an *i...

alrededor de 1 año ago

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Probability of red tulips (at both ends of a row)

I planted tulip bulbs in a row on my flower bed. I thought that I had planted white tulips all. However, later, it turned out t...

alrededor de 1 año ago

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Chess probability

The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

alrededor de 1 año ago

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Given n, create n random numbers such that their standard deviation is also n.

Given n, create n random numbers such that their standard deviation is also n.

alrededor de 1 año ago

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Rate of event occurence: find percentiles of the distribution (for smallish rates)

*In this problem you need to find the 5th and 95th percentiles of a Poisson distribution defined by parameter _μ_ (the mean rate...

alrededor de 1 año ago

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Simulating the selection of a state with given probabilities

Lets say we have 3 different states [1,2,3] with the probabilities of occurrences of each state is given as [0.5 0.2 0.3]. Which...

alrededor de 1 año ago

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What are the odds?

Two numbers, A and B are drawn randomly and uniformly on [-R,R]. What is the probability that A*B < A+B. Your function should ...

alrededor de 1 año ago

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Throwing Dice - Will You Be Eaten By The Dragon?

You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

alrededor de 1 año ago

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Penny flipping - calculate winning probability (easy)

Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

alrededor de 1 año ago

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The Birthday Phenomenon

First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

alrededor de 1 año ago

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Calculate the probability that at least two people in a group share the same birthday.

Calculate the probability that at least two people in a group share the same birthday. Given an integer input n, return to 0.015...

alrededor de 1 año ago

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Probabilities - More brains than luck

This problem is related to <http://it.mathworks.com/matlabcentral/cody/problems/596-more-luck-than-brains Problem 596. More luck...

alrededor de 1 año ago

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Probability of Choosing a Red Ball

Given two jars of red and blue balls, find the probability of choosing a red ball from Jar 1 after going through the steps. ...

alrededor de 1 año ago

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Recaman Sequence - III

I want to create a Recaman sequence where there is a "1" in the n-th position. So from which integer should I start the Recaman ...

alrededor de 2 años ago

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remove single elements

Given a vector of integers, remove the elements that have appeared only once. The output elements should be in exact order as th...

alrededor de 2 años ago

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Max Change in Consecutive Elements

If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

alrededor de 2 años ago

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expand intervals vol.3

This is the next problem after <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528> and <http://www.mathworks.co.u...

alrededor de 2 años ago

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expand intervals vol.2

Similar to problem <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528>. This is a more general case, when bounds ...

alrededor de 2 años ago

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expand intervals

You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...

alrededor de 2 años ago

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compress sequence into intervals

You're given a row vector of monotonically increasing integers most of which are consecutive. Find the upper and lower bounds of...

alrededor de 2 años ago